/*
 * Copyright (C) 2012 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package interactivespaces.service.mail.receiver.internal;

import interactivespaces.service.mail.common.SimpleMailMessage;
import interactivespaces.service.mail.receiver.MailReceiverListener;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import com.dumbster.smtp.MailMessage;
import com.dumbster.smtp.MailStore;

/**
 * A Dumbster mail store that can call back.
 * 
 * @author Keith M. Hughes
 */
public class CallbackMailStore implements MailStore {

	/**
	 * List of all messages.
	 */
	private List<MailMessage> messages = new CopyOnWriteArrayList<MailMessage>();

	/**
	 * List of all messages.
	 */
	private List<MailReceiverListener> listeners = new CopyOnWriteArrayList<MailReceiverListener>();

	@Override
	public void addMessage(MailMessage message) {
		messages.add(message);

		String body = message.getBody();
		
		SimpleMailMessage m = new SimpleMailMessage();
		for (MailReceiverListener listener : listeners) {
			listener.onMailMessageReceive(m);
		}
	}

	@Override
	public void clearMessages() {
		messages.clear();
	}

	@Override
	public int getEmailCount() {
		return messages.size();
	}

	@Override
	public MailMessage getMessage(int messageNumber) {
		return messages.get(messageNumber);
	}

	@Override
	public MailMessage[] getMessages() {
		return messages.toArray(new MailMessage[0]);
	}
	
	/**
	 * Add a listener to the service.
	 * 
	 * @param listener
	 * 		the listener to add
	 */
	public void addListener(MailReceiverListener listener) {
		listeners.add(listener);
	}
}
